From d309a62ee81faec56dd31a263a0184b0e3227e36 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Na=C3=AFm=20Favier?= <n@monade.li>
Date: Mon, 24 Jul 2023 16:17:31 +0200
Subject: [PATCH] tmate: don't generate empty config file (#4271)

---
 modules/programs/tmate.nix | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/modules/programs/tmate.nix b/modules/programs/tmate.nix
index e895647fb..025421bd3 100644
--- a/modules/programs/tmate.nix
+++ b/modules/programs/tmate.nix
@@ -65,7 +65,7 @@ in {
   config = mkIf cfg.enable {
     home.packages = [ cfg.package ];
 
-    home.file.".tmate.conf".text = let
+    home.file.".tmate.conf" = let
       conf =
         optional (cfg.host != null) ''set -g tmate-server-host "${cfg.host}"''
         ++ optional (cfg.port != null)
@@ -75,6 +75,6 @@ in {
         ++ optional (cfg.rsaFingerprint != null)
         ''set -g tmate-server-rsa-fingerprint "${cfg.rsaFingerprint}"''
         ++ optional (cfg.extraConfig != "") cfg.extraConfig;
-    in concatStringsSep "\n" conf + "\n";
+    in mkIf (conf != [ ]) { text = concatLines conf; };
   };
 }